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Definition of 'Accumulative Swing Index - ASI'
A indicator used by traders to gauge a security's long-term trend by comparing bars which contain its opening, closing, high and low prices throughout a specific period of time. When the ASI is positive, it suggests that the long-term trend will be higher, and when the ASI is negative, it suggests that the long-term trend will be lower.
The ASI is often cited as being developed by Welles Wilder.
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